A system-only two-point measurement framework delivers exact fluctuation relations for work and heat in open quantum systems along with Jarzynski corrections, recovering prior results for closed systems and holding exactly for pure decoherence.
Quantum Otto cycle in the Anderson impurity model
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abstract
We study the thermodynamic performance of a periodic quantum Otto cycle operating on the single-impurity Anderson model. Using a decomposition of the time-evolution generator based on the principle of minimal dissipation, combined with the numerically exact hierarchical equations of motion (HEOM) method, we analyze the operating regimes of the quantum thermal machine and investigate effects of Coulomb interactions, strong system-reservoir coupling, and energy level alignments. Our results show that Coulomb interaction can change the operating regimes and may lead to an enhancement of the efficiency.
years
2026 2verdicts
UNVERDICTED 2representative citing papers
Exact non-Markovian solution of quantum Brownian Otto cycle shows interaction energy reduces work output and power lies below the Markovian power-efficiency bound.
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Fluctuations of path-dependent thermodynamic quantities in open quantum systems via two-point system-only measurements
A system-only two-point measurement framework delivers exact fluctuation relations for work and heat in open quantum systems along with Jarzynski corrections, recovering prior results for closed systems and holding exactly for pure decoherence.
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Role of System-Bath Interaction in Non-Markovian Quantum Brownian Otto Cycles
Exact non-Markovian solution of quantum Brownian Otto cycle shows interaction energy reduces work output and power lies below the Markovian power-efficiency bound.